MM-52004 : Remove stub types packages for moment-timezone, highlight-js, classnames (#22879)

webapp/playbooks/package.json

@@ -55,7 +55,6 @@
     "@graphql-codegen/client-preset": "1.2.5",
     "@pmmmwh/react-refresh-webpack-plugin": "^0.5.4",
     "@testing-library/react-hooks": "8.0.0",
-    "@types/classnames": "2.3.1",
     "@types/debounce": "1.2.1",
     "@types/history": "4.7.8",
     "@types/jest": "27.4.0",